Investigation of continuous-batch mode of two-stage culture of Nannochloropsis sp for lipid production
文献类型：期刊论文
| 作者 | Zhang, Dongmei1,2; Xue, Shengzhang1; Sun, Zhongliang1; Liang, Kehong1; Wang, Lu3; Zhang, Qinghua1; Cong, Wei1 |
| 刊名 | BIOPROCESS AND BIOSYSTEMS ENGINEERING
 |
| 出版日期 | 2014-10-01 |
| 卷号 | 37期号:10页码:2073-2082 |
| 关键词 | Lipid productivity Two-stage cultivation Nannochloropsis sp. Continuous culture Medium recycle |
| ISSN号 | 1615-7591 |
| 其他题名 | Bioprocess. Biosyst. Eng. |
| 中文摘要 | Microalgal lipid induction through nitrogen stress often suffers from a contradiction between biomass productivity and lipid content, i.e., either high biomass productivity with low lipid content or vice versa. A two-stage nitrogen-replete and nitrogen-deplete (NR-ND) culture was suggested to be an option to attain high lipid productivity. In this study, the effects of culture conditions and modes on biomass productivity and lipid productivity of Nannochloropsis sp. in the two stages were comprehensively investigated. The optimal culture conditions for the two stages, aiming to high biomass productivity and lipid productivity respectively, were consistent, i.e., CO2 content in aeration (1 %), phosphorus concentration in medium (181 mu mol/L), incident light intensity (150 mu E/(m(2)s)), temperature (25 A degrees C). Different culture modes of the two stages were compared. The overall lipid productivity of the two-stage continuous-batch mode achieved 0.123 g/(L day), which was 60.3, 48.2, 34.9 and 13.5 % higher than that of single nitrogen-replete batch, single nitrogen-limited batch, continuous nitrogen-replete culture and two-stage batch-batch culture, respectively, and also higher than most reported values. This contribution provides fundamental data for the two-stage NR-ND cultivation process design of Nannochloropsis sp. |
| 英文摘要 | Microalgal lipid induction through nitrogen stress often suffers from a contradiction between biomass productivity and lipid content, i.e., either high biomass productivity with low lipid content or vice versa. A two-stage nitrogen-replete and nitrogen-deplete (NR-ND) culture was suggested to be an option to attain high lipid productivity. In this study, the effects of culture conditions and modes on biomass productivity and lipid productivity of Nannochloropsis sp. in the two stages were comprehensively investigated. The optimal culture conditions for the two stages, aiming to high biomass productivity and lipid productivity respectively, were consistent, i.e., CO2 content in aeration (1 %), phosphorus concentration in medium (181 mu mol/L), incident light intensity (150 mu E/(m(2)s)), temperature (25 A degrees C). Different culture modes of the two stages were compared. The overall lipid productivity of the two-stage continuous-batch mode achieved 0.123 g/(L day), which was 60.3, 48.2, 34.9 and 13.5 % higher than that of single nitrogen-replete batch, single nitrogen-limited batch, continuous nitrogen-replete culture and two-stage batch-batch culture, respectively, and also higher than most reported values. This contribution provides fundamental data for the two-stage NR-ND cultivation process design of Nannochloropsis sp. |
| WOS标题词 | Science & Technology ; Life Sciences & Biomedicine ; Technology |
| 类目[WOS] | Biotechnology & Applied Microbiology ; Engineering, Chemical |
| 研究领域[WOS] | Biotechnology & Applied Microbiology ; Engineering |
| 关键词[WOS] | FATTY-ACID-COMPOSITION ; CHLORELLA-VULGARIS ; CHLAMYDOMONAS-REINHARDTII ; BIODIESEL PRODUCTION ; BIOFUELS PRODUCTION ; WASTE-WATER ; MICROALGAE ; GROWTH ; ACCUMULATION ; TEMPERATURE |
| 收录类别 | SCI |
| 原文出处 | |
| 语种 | 英语 |
| WOS记录号 | WOS:000342171500017 |
| 公开日期 | 2014-11-02 |
| 源URL | [http://ir.ipe.ac.cn/handle/122111/11666]  |
| 专题 | 过程工程研究所_研究所（批量导入） |
| 作者单位 | 1.Chinese Acad Sci, Inst Proc Engn, Natl Key Lab Biochem Engn, Beijing 100190, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Beijing Univ Chem Technol, Coll Life Sci & Technol, Beijing Key Lab Bioproc, Beijing 100029, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhang, Dongmei,Xue, Shengzhang,Sun, Zhongliang,et al. Investigation of continuous-batch mode of two-stage culture of Nannochloropsis sp for lipid production[J]. BIOPROCESS AND BIOSYSTEMS ENGINEERING,2014,37(10):2073-2082. |
| APA | Zhang, Dongmei.,Xue, Shengzhang.,Sun, Zhongliang.,Liang, Kehong.,Wang, Lu.,...&Cong, Wei.(2014).Investigation of continuous-batch mode of two-stage culture of Nannochloropsis sp for lipid production.BIOPROCESS AND BIOSYSTEMS ENGINEERING,37(10),2073-2082. |
| MLA | Zhang, Dongmei,et al."Investigation of continuous-batch mode of two-stage culture of Nannochloropsis sp for lipid production".BIOPROCESS AND BIOSYSTEMS ENGINEERING 37.10(2014):2073-2082. |
入库方式： OAI收割
来源：过程工程研究所
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